body {
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.upload-form-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.form-title {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 600;
}

.grade-level {
    background: #f8f9fa;
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.grade-level:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.custom-grade-section {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    border: 1px solid #e9ecef;
}

.form-check {
    margin: 1rem 0;
}

.btn-primary {
    width: 100%;
    padding: 12px;
    font-weight: 500;
    margin-top: 1rem;
}

.btn-secondary {
    background-color: #6c757d;
    border: none;
    padding: 8px 16px;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

#gradeLevelsContainer h4 {
    color: #2c3e50;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.form-control {
    border: 1px solid #ced4da;
    padding: 10px;
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, .25);
}

.input-group {
    margin-bottom: 1rem;
}

.template-info {
    background: #e3f2fd;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
}

.template-info p {
    margin-bottom: 10px;
    color: #1565c0;
}

.template-info ul {
    margin-bottom: 10px;
    padding-left: 20px;
}

.template-link {
    color: #1565c0;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.template-link:hover {
    text-decoration: underline;
    color: #0d47a1;
}